当今的世界无疑是处在新旧转换的裂变时期。由于东西方对峙的格局被打破,一方面民族冲突此起彼伏,另一方面在经济上随着国家间相互依赖的明显增强,就象欧共体那样,一些经济区域正发挥着令人瞩目的作用。在这样的时代背景下,当发达国家以及新兴工业国等出现不熟练劳动力大量短缺时,发展中国家的人们为改善个人及家庭的经济状况,就 The world today is undoubtedly at a time of fission between old and new. As the pattern of confrontation between East and West was broken, on the one hand, the ethnic conflicts came one after another; on the other hand, as the interdependence of countries became more and more economically obvious, just like the EC, some economic regions are playing a remarkable role. In this era, when the unskilled labor shortage in developed countries, emerging industrial nations, etc., people in developing countries, in order to improve the economic conditions of their families and individuals,